CN114061001B - A ventilation system for medical building - Google Patents
A ventilation system for medical building Download PDFInfo
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- CN114061001B CN114061001B CN202111455562.1A CN202111455562A CN114061001B CN 114061001 B CN114061001 B CN 114061001B CN 202111455562 A CN202111455562 A CN 202111455562A CN 114061001 B CN114061001 B CN 114061001B
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F7/00—Ventilation
- F24F7/04—Ventilation with ducting systems, e.g. by double walls; with natural circulation
- F24F7/06—Ventilation with ducting systems, e.g. by double walls; with natural circulation with forced air circulation, e.g. by fan positioning of a ventilator in or against a conduit
- F24F7/08—Ventilation with ducting systems, e.g. by double walls; with natural circulation with forced air circulation, e.g. by fan positioning of a ventilator in or against a conduit with separate ducts for supplied and exhausted air with provisions for reversal of the input and output systems
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F11/00—Control or safety arrangements
- F24F11/70—Control systems characterised by their outputs; Constructional details thereof
- F24F11/72—Control systems characterised by their outputs; Constructional details thereof for controlling the supply of treated air, e.g. its pressure
- F24F11/79—Control systems characterised by their outputs; Constructional details thereof for controlling the supply of treated air, e.g. its pressure for controlling the direction of the supplied air
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F11/00—Control or safety arrangements
- F24F11/89—Arrangement or mounting of control or safety devices
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F13/00—Details common to, or for air-conditioning, air-humidification, ventilation or use of air currents for screening
- F24F13/02—Ducting arrangements
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F13/00—Details common to, or for air-conditioning, air-humidification, ventilation or use of air currents for screening
- F24F13/08—Air-flow control members, e.g. louvres, grilles, flaps or guide plates
- F24F13/10—Air-flow control members, e.g. louvres, grilles, flaps or guide plates movable, e.g. dampers
- F24F13/14—Air-flow control members, e.g. louvres, grilles, flaps or guide plates movable, e.g. dampers built up of tilting members, e.g. louvre
- F24F13/15—Air-flow control members, e.g. louvres, grilles, flaps or guide plates movable, e.g. dampers built up of tilting members, e.g. louvre with parallel simultaneously tiltable lamellae
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F7/00—Ventilation
- F24F7/003—Ventilation in combination with air cleaning
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F8/00—Treatment, e.g. purification, of air supplied to human living or working spaces otherwise than by heating, cooling, humidifying or drying
- F24F8/20—Treatment, e.g. purification, of air supplied to human living or working spaces otherwise than by heating, cooling, humidifying or drying by sterilisation
- F24F8/22—Treatment, e.g. purification, of air supplied to human living or working spaces otherwise than by heating, cooling, humidifying or drying by sterilisation using UV light
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F8/00—Treatment, e.g. purification, of air supplied to human living or working spaces otherwise than by heating, cooling, humidifying or drying
- F24F8/20—Treatment, e.g. purification, of air supplied to human living or working spaces otherwise than by heating, cooling, humidifying or drying by sterilisation
- F24F8/24—Treatment, e.g. purification, of air supplied to human living or working spaces otherwise than by heating, cooling, humidifying or drying by sterilisation using sterilising media
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N23/00—Cameras or camera modules comprising electronic image sensors; Control thereof
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02A—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
- Y02A50/00—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE in human health protection, e.g. against extreme weather
- Y02A50/20—Air quality improvement or preservation, e.g. vehicle emission control or emission reduction by using catalytic converters
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- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Multimedia (AREA)
- Signal Processing (AREA)
- Disinfection, Sterilisation Or Deodorisation Of Air (AREA)
- Accommodation For Nursing Or Treatment Tables (AREA)
- Ventilation (AREA)
Abstract
The application relates to a ventilation system for medical buildings, and relates to the field of medical building air purification, which comprises an air inlet module, an air exhaust module, a sterilization module, a monitoring module and a control module, wherein the air inlet module is used for introducing outdoor fresh air into medical buildings; the exhaust module is used for exhausting air in the medical building; the sterilizing module is used for sterilizing the indoor air and sterilizing the exhaust air in the exhaust pipeline in cooperation with the fresh air introduced by the air inlet module; the monitoring module comprises a face recognition camera and a person sensor, wherein the face recognition camera is connected with the control module and is used for recognizing and recording the number of people going and coming and the flow stopping quantity of people in the shooting range of the face recognition camera, and the person sensor is used for sensing whether people exist at the air outlet of the air inlet module or not; the control module is used for integrated control; the ventilation system in the application can kill the air at the intensive place of the patient when ensuring ventilation of the hospital building group, reduce the activity of germs in the discharged air and maintain public health.
Description
Technical Field
The present application relates to the field of medical building air purification, and in particular to a ventilation system for medical buildings.
Background
The medical building is generally a hospital building group, patients, susceptible people, accompanying family members and medical staff are collected in the same place, the outpatient quantity is large, the mobility of the staff is strong, compared with the natural environment, the air in the hospital building group contains more germs and other pollutants, the air is turbid, and the rehabilitation of the patients and the health of the accompanying staff are not facilitated; therefore, according to the characteristics of the hospital building group and the requirements on the indoor air quality, a natural or mechanical method is adopted to enable the outdoor air to enter the room to discharge indoor pollutants or residual heat and residual humidity, so that a healthy and comfortable indoor environment of the hospital is created.
At present, a ventilation system is generally adopted in a hospital building group to introduce fresh air into a room and discharge indoor pollutants, the ventilation system in the related technology mainly comprises an air supply system, an air exhaust system and a control system, the air supply system comprises an air treatment unit and an air inlet pipeline connected with the air treatment unit, the air exhaust system comprises purifying equipment and an air exhaust pipeline connected with the purifying equipment, the control system comprises a pollutant monitoring sensor, a temperature monitoring sensor and a control unit connected with the pollutant monitoring sensor and the temperature monitoring sensor in real time, and the control unit is used for controlling and feeding back; fresh air treated by the air treatment unit enters the hospital building group from the air outlet, and exhaust air is exhausted from the air outlet and the exhaust pipeline.
Aiming at the related technology, the purification equipment adopted in the ventilation system in the hospital building group at present mainly traps harmful substances in the discharged air, the volume of pollutants such as bacteria contained in the hospital building group is smaller, the pollutants are difficult to be trapped and purified by the purification equipment, and especially the concentration of the bacteria contained in the air where the patients in the hospital building group come and go is higher, the public environment is easy to pollute when the air is discharged outdoors, and the public health is influenced.
Disclosure of Invention
In order to reduce the concentration of contaminants such as germs in the exhaust air of hospital buildings, the present application provides a ventilation system for medical buildings.
The application provides a ventilation system for medical building adopts following technical scheme:
the ventilation system for the medical building comprises an air inlet module, an air exhaust module and a control module, wherein the air inlet module comprises an air inlet pipeline connected with an air treatment unit, the air exhaust module comprises purifying equipment and an air exhaust pipeline connected with the purifying equipment, the control module is used for performing system control on electrical elements in the ventilation system, the ventilation system further comprises a disinfection module and a monitoring module, the disinfection module comprises a disinfectant spraying device arranged at an air outlet of the air inlet pipeline and a sterilization device arranged in the air exhaust pipeline, and the disinfectant spraying device and the sterilization device are both connected with the control module; the monitoring module comprises a face recognition camera and a human sensor, wherein the face recognition camera and the human sensor are connected with the control module, the face recognition camera is arranged in a corridor of a hospital and is used for recognizing and recording the number of people going to and coming from the corridor of the hospital and counting the stop flow of people at each position of the corridor and corridor, and the human sensor is arranged at an air outlet of the air inlet pipeline and is used for sensing whether people exist in the corridor or corridor at the air outlet of the air inlet pipeline and transmitting sensing signals to the control module; the control module is suitable for controlling the opening and closing of the disinfectant spraying device according to the induction signal of the human sensor.
By adopting the technical scheme, the ventilation system in the application can record and count the stopping flow of people and the number of people in the shooting range of the face recognition camera in the medical building, and control the air inlet pipeline to guide fresh air according to the real-time monitoring of people at the air outlet of the air inlet pipeline by the people sensor, and control the corresponding spraying disinfectant spray of the disinfectant spraying device, and the fresh air carries the disinfectant spray to disinfect places with denser stopping flow of people; and after the sterilization treatment, the polluted air in the medical building is discharged out of the medical building after being sterilized by the sterilizing device from the air exhaust channel, so that the activity of germs contained in the air is reduced from the source, and meanwhile, the air is sterilized when the medical building is discharged, the concentration and the activity of the pollutants such as germs in the air discharged in the medical building group are well reduced, and the public health safety is maintained.
Optionally, the antiseptic solution sprinkler includes water tank, outlet pipe, water pump, water control valve, atomizer and controller, outlet pipe intercommunication water tank and atomizer, the water pump is installed in the water tank, the water control valve is connected on the outlet pipe, atomizer is located the air outlet department of air inlet pipeline, the controller is used for controlling opening and close of water control valve, just controller and control module signal connection.
Through adopting above-mentioned technical scheme, control water pump, controller and water control valve, can be with the comparatively convenient leading-in outlet pipe of liquid in the water tank to spray comparatively even spraying in air inlet pipeline's air outlet department, the new trend of cooperation air inlet module leading-in sprays the spraying, realizes the disinfection to the comparatively concentrated region of people's flow in the medical building in the in-process of medical building trades wind then, and the effect of disinfecting to the intensive department of patient's traffic is better.
Optionally, the water tank is provided with two sets of, two sets of respectively hold antiseptic solution and water in the water tank, the water control valve is suitable for control antiseptic solution or water entering outlet pipe and from atomizer blowout.
Through adopting above-mentioned technical scheme, control water control valve can be comparatively convenient make atomizer spray out antiseptic solution or water after diluting, disinfect or moisten the comparatively concentrated region of people's flow in the medical building, when reducing cross infection, make indoor humidity maintain in comparatively comfortable state.
Optionally, the air outlet of the air inlet pipeline is further provided with an air swinging device, the air swinging device comprises a plurality of air swinging plates, a sliding plate for installing the air swinging plates and a driving piece for driving the sliding plate to move, and the air swinging plates are parallel to each other and are distributed at the air outlet of the air inlet pipeline at equal intervals; the sliding plate comprises a fixed sliding rail, a movable sliding rail and a sliding strip, wherein the fixed sliding rail and the movable sliding rail are parallel, the sliding strip is rotationally connected to the fixed sliding rail and the movable sliding rail, the fixed sliding rail is fixedly arranged on the inner wall of the air inlet pipeline, the movable sliding rail is slidingly connected to the inner wall of the air inlet pipeline, and the sliding direction of the movable sliding rail is parallel to the length extending direction of the fixed sliding rail; the number of the sliding strips is consistent with that of the air swinging plates, the air swinging plates are fixedly connected to the sliding strips, the sliding strips are arranged on the fixed sliding rail and the movable sliding rail at equal intervals, and the sliding strips are simultaneously intersected with the fixed sliding rail and the movable sliding rail; the driving piece is connected to one end part of the sliding strip, and the driving piece is suitable for driving the sliding strip connected with the driving piece to slide back and forth along the length direction of the fixed sliding rail.
Through adopting above-mentioned technical scheme, fixed slide rail, removal slide rail, sliding bar and driving piece cooperation, the drive pendulum plate that can be comparatively convenient swings in the air outlet department of air inlet pipeline along the length direction of fixed slide rail, and the leading-in new trend to spray disinfectant or water spray, enlarge disinfection or humidification area, when reducing the germ activity in the comparatively dense region of patient in the hospital building crowd, guarantee medical building indoor comfort level.
Optionally, the driving piece comprises a driving motor, a sector gear, two linear racks and two groups of arc strips, the driving motor is fixedly installed at an air outlet of the air inlet pipeline and is in signal connection with the control module, the sector gear is connected to the output end of the driving motor, the two linear racks are parallel to each other and are respectively positioned at two sides of the sector gear, the two groups of arc strips are respectively connected to two ends of the linear racks, and the linear racks and the arc strips form an elliptical track; the sliding strips which are suitable for being connected with the driving piece are connected to a group of arc strips which are close to the air outlet of the air inlet pipeline; when the sector gear rotates for one circle, the sector gear is suitable for being meshed with the two linear racks in sequence and driving the linear racks to move along the length direction of the fixed sliding rail.
Through adopting above-mentioned technical scheme, control driving motor can drive sector gear and rotate, and then drives sharp rack and reciprocate around sector gear and slide, drives the slider and drives on fixed slide rail and move slide rail and pendulum aerofoil and swing then, comparatively convenient and steady realization is to pendulum aerofoil wobbling control, and disinfection spraying after the dilution propagates the effect better.
Optionally, the exhaust module further comprises an exhaust fan, wherein the exhaust fan is installed in the exhaust pipeline and is positioned at the front end of the sterilization device; the sterilizing device comprises a plurality of ultraviolet lamp groups which are uniformly arranged in the exhaust pipeline at intervals, and the ultraviolet lamp groups are in signal connection with the control module.
Through adopting above-mentioned technical scheme, control air exhauster and ultraviolet lamp group's start-stop, can be comparatively convenient carry out ultraviolet sterilization with indoor comparatively dirty air introduction exhaust duct in, reduce the active germ concentration in the medical building exhaust air.
Optionally, the device further comprises a backflow pipeline communicated with the exhaust pipeline, wherein an air inlet of the backflow pipeline is connected with the rear end of the ultraviolet lamp group in the exhaust pipeline, and an air outlet of the backflow pipeline is connected with the front end of the ultraviolet lamp group in the exhaust pipeline; a humidity sensor and a first reflux valve are arranged between the rear end of the ultraviolet lamp group and the air inlet of the reflux pipeline in the exhaust pipeline, and the first reflux valve is suitable for closing the exhaust pipeline at the rear end of the ultraviolet lamp group and opening the air inlet of the reflux pipeline; a second reflux valve is arranged in the exhaust pipeline and between the front end of the ultraviolet lamp group and the air outlet of the reflux pipeline, and the second reflux valve is suitable for closing the exhaust pipeline at the front end of the ultraviolet lamp group and opening the air outlet of the reflux pipeline; the humidity sensor, the first backflow valve and the second backflow valve are connected with the control module through signals, and the control module is suitable for controlling the first backflow valve and the second backflow valve to conduct flow to air in the exhaust pipeline according to the signals of the humidity sensor.
Through adopting above-mentioned technical scheme, the setting of return conduit, humidity transducer, first return valve and second return valve for the higher air of humidity can flow back to ultraviolet lamp group front end after ultraviolet sterilization, further carries out ultraviolet lamp to the exhaust air and shines the disinfection, makes exhaust system disinfect the germ in the exhaust air more thoroughly.
Optionally, the first backflow valve comprises a first valve plate and a first rotating motor, and the second backflow valve comprises a second valve plate and a second rotating motor; the first valve plate and the second valve plate are L-shaped plates, the first valve plate is rotationally connected to the connection part of the air inlet of the air exhaust pipeline and the air inlet of the reflux pipeline, the second valve plate is rotationally connected to the connection part of the air exhaust pipeline and the air outlet of the reflux pipeline, and the edges of the first valve plate and the second valve plate are suitable for being attached to the inner walls of the air exhaust pipeline and the reflux pipeline; the first rotating motor is used for providing driving force for the rotation of the first valve plate, the second rotating motor is used for providing driving force for the rotation of the second valve plate, and the first rotating motor and the second rotating motor are both in signal connection with the control module.
Through adopting above-mentioned technical scheme, control first rotation motor and second rotation motor work, the control that can be comparatively convenient first valve plate and second valve plate are to opening and close of exhaust duct and return duct's air intake and air outlet, realize the backward flow of exhaust air.
Optionally, the sterilization device further comprises an infrared lamp set for carrying out high-temperature drying on the return air, the infrared lamp set is installed in the return pipeline, the infrared lamp set is located between the first valve plate and the second valve plate, and the infrared lamp set is also in signal connection with the control module.
Through adopting above-mentioned technical scheme, infrared ray lamp group can further carry out infrared ray to the exhaust air in the return line and disinfect, cooperates ultraviolet lamp group, and exhaust system's overall sterilization disinfects effect better.
In summary, the present application includes at least one of the following beneficial technical effects:
the air inlet module, the air exhaust module, the sterilizing module, the monitoring module and the control module are matched, so that air at the place where patients in a hospital building group are dense can be sterilized, dirty air is replaced and sterilized, clean fresh air is introduced, the good ventilation environment of the patients in the hospital is effectively ensured, the concentration of pollutants such as bacteria in the discharged air in the hospital building group is reduced, and public health is maintained;
the air swinging device is arranged at the air outlet of the air inlet pipeline, so that fresh air can be introduced, the wind direction of the fresh air after the fresh air enters a medical building can be controlled, the spraying area of spraying sprayed by the atomizing nozzle is enlarged, the corridor or corridor at the air outlet of the air inlet pipeline is more comprehensively killed or humidified, the germ activity of a denser area of patients in a hospital building group is reduced, and the indoor comfort level of the medical building is ensured;
through the cooperation of ultraviolet lamp group, return line, infrared lamp group and each component in the return line, can comparatively thoroughly disinfect the germ in the exhaust air, reduce the germ activity in the exhaust air, ensure public health safety.
Drawings
FIG. 1 is a schematic view of the overall structure of the ventilation system of the present application;
FIG. 2 is a schematic diagram of the connection relationship between the monitoring module and other modules;
FIG. 3 is a schematic diagram of the structure of the connection between the modules in the present application;
FIG. 4 is a schematic view of a partial structure for showing the positional relationship between the air-arranging device at the air inlet pipeline and the water outlet pipe and the atomizing nozzle;
FIG. 5 is a schematic view of the overall structure of the wind pendulum device of the present application;
fig. 6 is a schematic diagram of the overall structure of the exhaust module in the present application.
Reference numerals illustrate: 1. an air inlet module; 11. an air inlet pipeline; 12. a wind swinging device; 121. a wind swinging plate; 122. a sliding plate; 1221. fixing the sliding rail; 1222. moving the slide rail; 1223. a sliding bar; 123. a driving member; 1231. a driving motor; 1232. a sector gear; 1233. a linear rack; 1234. an arc-shaped strip; 2. an exhaust module; 21. an exhaust duct; 211. an exhaust fan; 22. a return line; 23. a humidity sensor; 24. a first return valve; 241. a first valve plate; 242. a first rotating motor; 25. a second return valve; 251. a second valve plate; 252. a second rotating motor; 3. a killing module; 31. a disinfectant spraying device; 311. a water tank; 312. a water outlet pipe; 313. a water control valve; 314. an atomizing nozzle; 315. a controller; 32. a sterilization device; 321. ultraviolet lamp group; 322. an infrared lamp set; 4. a monitoring module; 41. face recognition camera; 42. a human sensor.
Detailed Description
The present application is described in further detail below in conjunction with figures 1-6.
The embodiment of the application discloses a ventilation system for medical building, relates to the field of medical building air purification.
Referring to fig. 1 and 2, a ventilation system for a medical building comprises an air inlet module 1, an air exhaust module 2, a disinfection module 3, a monitoring module 4 and a control module, wherein the air inlet module 1 comprises an air inlet pipeline 11 connected with an air treatment unit and used for introducing outdoor fresh air into the medical building; the exhaust module 2 comprises a purifying device and an exhaust pipeline 21 connected with the purifying device, and is used for exhausting air in the medical building out of the medical building; the sterilizing module 3 comprises a sterilizing liquid spraying device 31 arranged at the air outlet of the air inlet pipeline 11 and a sterilizing device 32 arranged in the air exhaust pipeline 21, and is used for sterilizing the indoor by matching with the fresh air introduced by the air inlet module 1 and sterilizing the air exhausted from the medical building in the air exhaust pipeline 21; referring to fig. 2, the monitoring module 4 includes a face recognition camera 41 and a person sensor 42 connected with the control module, the face recognition camera 41 is disposed in a corridor of a hospital, and is used for identifying and recording the number of people going to and coming from the corridor of the hospital and counting the stop flow of people in each position of the corridor and corridor, and the person sensor 42 is disposed at an air outlet of the air inlet pipeline 11, and is used for sensing whether people exist in the corridor or corridor at the air outlet of the air inlet pipeline 11 and transmitting sensing signals to the control module; the control module is also electrically connected with the sterilizing liquid spraying device 31 and the sterilizing device 32 in the sterilizing module 3 and other electrical components in the ventilation system for performing system control on all electrical components in the ventilation system.
In the present application, referring to fig. 1 and 3, the sterilizing fluid spraying apparatus 31 includes a water tank 311, a water outlet pipe 312, a water pump, a water control valve 313, an atomizer 314, and a controller 315.
The water tank 311 is provided with two sets of, holds antiseptic solution and water after diluting respectively in two sets of water tanks 311, and the water pump is installed in water tank 311, and the antiseptic solution that adopts in this application is 84 antiseptic solution, and 84 antiseptic solution is 1 with the dilution ratio of water: 99, the diluted 84 disinfectant and water are stored in two sets of adjacently arranged water tanks 311.
The water inlet end of outlet pipe 312 is connected with water tank 311, and the air outlet department of intake stack 11 of the comparatively intensive place department of people's flow in the medical building is located to the water outlet end of outlet pipe 312, and the water outlet end of outlet pipe 312 is provided with a plurality of, and the water outlet end of a plurality of outlet pipes 312 all is connected with atomizer 314, and outlet pipe 312 intercommunication water tank 311 and atomizer 314, the spraying that sprays out in the atomizer 314 can spray to the medical building from the air outlet of intake stack 11.
The water control valve 313 is connected to the water outlet pipe 312 and is suitable for controlling diluted disinfectant or water to enter the water outlet pipe 312, so that the diluted disinfectant or water is sprayed out from the atomization nozzle 314 and is killed or humidified in the medical building room along with fresh air introduced into the medical building by the air inlet system; the controller 315 is installed at the water control valve 313 and electrically connected to both the water control valve 313 and the control module, and is configured to control the opening and closing of the water control valve 313 according to the command of the control module, so as to control whether the disinfectant or water is discharged from the water tank 311.
Referring to fig. 2 and 3, after recognizing, recording and counting the personnel stopping amounts of various positions of the corridor and corridor in the medical building by the face recognition camera 41, the staff can increase the disinfection liquid spraying and killing frequency in the area with denser personnel stopping amounts by inquiring the personnel stopping amounts in the medical building; and the kill time is generally scheduled at 12 pm: after-14:00 pm, 18:00 pm, when the people sensor 42 senses that no people walk in the corridor or corridor at the air outlet of the air inlet pipeline 11 in the time period, the people sensor 42 transmits a people sensing signal to the control module, and the control module controls the starting of the disinfectant spraying device 31.
Further, referring to fig. 4 and 5, an air-swinging device 12 for swinging fresh air led into the medical building is further provided at an air outlet of the air inlet pipe 11, the air outlet of the air inlet pipe 11 is square, the water outlet end of the water outlet pipe 312 and the atomizing nozzle 314 are mounted at the front end of the air-swinging device 12, and when the air-swinging device 12 operates, the atomized nozzle 314 can be sprayed with spray to be discharged.
In this application, referring to fig. 4 and 5, the air-swing device 12 includes a plurality of rectangular air-swing plates 121 installed at the air outlet of the air intake duct 11, a sliding plate 122 to which the plurality of air-swing plates 121 are installed, and a driving member 123 for driving the sliding plate 122 to move.
The plurality of air swinging plates 121 are arranged in parallel and at equal intervals in the air outlet of the air inlet pipeline 11, and two ends of the air swinging plates 121 along the length direction are respectively and vertically arranged on the inner wall of the air inlet pipeline 11; the sliding plate 122 includes a fixed sliding rail 1221 and a movable sliding rail 1222 that are parallel, and a sliding bar 1223 that is rotatably connected to the fixed sliding rail 1221 and the movable sliding rail 1222, where the fixed sliding rail 1221, the movable sliding rail 1222, and the sliding bar 1223 are elongated, and the lengths and specifications of the fixed sliding rail 1221 and the movable sliding rail 1222 are consistent, the fixed sliding rail 1221 is fixedly mounted on an inner wall of the air outlet of the air intake duct 11, the movable sliding rail 1222 is slidably connected on an inner wall of the air outlet of the air intake duct 11, the sliding bar 1223 simultaneously intersects the fixed sliding rail 1221 and the movable sliding rail 1222, and the sliding bar 1223 is located on a side of the fixed sliding rail 1221 and the movable sliding rail 1222 away from the inner wall of the air intake duct 11.
Referring to fig. 5, when the moving rail 1222 slides along the length direction of the fixed rail 1221, the sliding bar 1223 can be driven to swing along the length direction of the fixed rail 1221, and correspondingly, when the sliding bar 1223 swings along the length direction of the fixed rail 1221, the moving rail 1222 can also slide along the length direction of the fixed rail 1221; the driving member 123 is connected to an end of one of the sliding strips 1223 located at an end of the fixed sliding rail 1221, and the driving member 123 is adapted to drive the sliding strip 1223 connected to the driving member 123 to slide reciprocally along a length direction of the fixed sliding rail 1221.
Further, a plurality of sliding strips 1223 are provided, the number of the sliding strips 1223 on each fixed sliding rail 1221 is consistent with the number of the air swinging plates 121, and the air swinging plates 121 are fixedly connected to the sliding strips 1223 in a one-to-one correspondence manner; when the driving piece 123 drives the sliding strip 1223 to slide reciprocally along the length direction of the fixed sliding rail 1221, the sliding strip 1223 can drive the air swinging plate 121 to swing the fresh air sent into the medical building by the air inlet pipeline 11, and the spray sprayed by the atomization spray nozzle 314 can swing along with the air swinging device 12 to fly into the hospital building, so that the spraying area is enlarged, and the sterilizing or humidifying effect is better.
To facilitate control of the swing plate 121, referring to fig. 4 and 5, the driving member 123 includes a driving motor 1231, a sector gear 1232, two linear racks 1233, and two sets of arc-shaped bars 1234.
The driving motor 1231 is fixedly arranged on the outer wall of the pipeline at the air outlet of the air inlet pipeline 11 and is in signal connection with the control module, the sector gear 1232 is connected to the output end of the driving motor 1231, and the sector gear 1232 rotates along with the operation of the driving motor 1231; the two linear racks 1233 are parallel to each other and are oppositely arranged at two sides of the sector gear 1232, and the two linear racks 1233, the fixed slide rail 1221 and the movable slide rail 1222 are all positioned in the same plane, and the length direction of the linear racks 1233 is parallel to the length directions of the fixed slide rail 1221 and the movable slide rail 1222; the two groups of arc-shaped strips 1234 are semicircular, two ends of each group of arc-shaped strips 1234 are fixedly connected with two linear racks 1233 respectively, the two groups of arc-shaped strips 1234 are connected to two ends of the two linear racks 1233 respectively, and the two groups of arc-shaped strips 1234 and the two linear racks 1233 together form an elliptical track for the movement of the sector gear 1232; the sliding strips 1223 suitable for being connected with the driving piece 123 are connected to the middle parts of a group of arc strips 1234 near the air outlet of the air inlet pipeline 11, and the connection parts of the sliding strips 1223 and the arc strips 1234 are made of hard rubber with certain deformability, when the arc strips 1234 move around an elliptical track, the sliding strips 1223 can be pulled by the hard rubber to swing along the length direction of the fixed sliding rail 1221.
Referring to fig. 5, the sector gear 1232 is adapted to be sequentially meshed with two linear racks 1233, and when the sector gear 1232 rotates one turn, the sector gear 1232 drives the linear racks 1233 to move along the length direction of the fixed sliding rail 1221 by sequentially meshing with the two linear racks 1233, so as to drive the arc-shaped strips 1234 to reciprocate around the elliptical track, and the air swinging plate 121 swings at the air outlet of the air inlet pipeline 11, so that the spraying area is enlarged in cooperation with the atomizing nozzle 314.
The exhaust pipeline 21 in the exhaust module 2 is correspondingly provided with a plurality of exhaust pipeline 21 air inlets, the plurality of exhaust pipeline 21 air inlets are respectively positioned in each room in the medical building and in the corridor and corridor, when the spray of the atomizing nozzle 314 is diluted 84 disinfectant, the air at the air inlet pipeline 11 of the atomizing nozzle 314 in the medical building is required to be discharged in a concentrated manner within 2-4 hours after the spray, and the exhaust module 2 further comprises an exhaust fan 211 for timely discharging the sterilized air, wherein the exhaust fan 211 is arranged in the exhaust pipeline 21 and positioned at the front end of the sterilizing device 32.
Referring to fig. 3 and 6, the sterilizing device 32 includes a plurality of ultraviolet lamp groups 321 which are spaced apart and uniformly disposed in the exhaust duct 21, the ultraviolet lamp groups 321 are used for sterilizing air exhausted from the medical building, and the ultraviolet lamp groups 321 are in signal connection with the control module.
Under the cooperation of the sterilizing liquid spraying device 31 and the sterilizing device 32, germs in the air where the patients in the hospital building group come and go are sterilized by the sterilizing liquid, irradiated by the ultraviolet lamp group 321, and then discharged outdoors.
In order to realize thorough sterilization of the discharged air, referring to fig. 6, a humidity sensor 23 and a backflow channel are further arranged at the rear end of the ultraviolet lamp group 321 in the exhaust pipeline 21, and the humidity sensor 23 is mounted on the inner wall of the exhaust pipeline 21 and is used for monitoring the humidity of the air after the sterilization treatment of the ultraviolet lamp group 321; the air intake of return channel 22 is connected in humidity transducer 23 rear end, and the air outlet of return channel 22 is connected in the ultraviolet lamp group 321 front end in exhaust duct 21, and is provided with first return valve 24 in the air intake department of return channel 22, is provided with second return valve 25 in the air outlet department of return channel 22, and ultraviolet lamp group 321 and humidity transducer 23 are located between first return valve 24 and second return valve 25, and first return valve 24 and second return valve 25 are used for controlling the opening and shutting of exhaust duct 21 and return channel 22.
The humidity sensor 23, the first backflow valve 24 and the second backflow valve 25 are all connected with a control module through signals, the control module is suitable for controlling the first backflow valve 24 and the second backflow valve 25 to conduct flow guiding to air in the exhaust pipeline 21 according to the signals of the humidity sensor 23, drier air is discharged from the exhaust pipeline 21, air with higher humidity is introduced into the backflow pipeline 22 to flow back and then is discharged into the exhaust pipeline 21 for sterilization and drying treatment, and the discharged air is thoroughly sterilized.
In the present application, referring to fig. 6, the first return valve 24 includes a first valve plate 241 and a first rotary motor 242, and the second return valve 25 includes a second valve plate 251 and a second rotary motor 252; the first valve plate 241 and the second valve plate 251 are all L-shaped plates, and edges of the first valve plate 241 and the second valve plate 251 are suitable for being attached to inner walls of the exhaust duct 21 and the return duct 22, so as to open or close the exhaust duct 21 and the return duct 22.
Referring to fig. 6, the first valve plate 241 is rotatably connected to the connection portion of the air exhaust duct 21 and the air inlet of the return duct 22, and is adapted to close the air exhaust duct 21 at the rear end of the ultraviolet lamp group 321 and open the air inlet of the return duct 22, or to open the air exhaust duct 21 at the rear end of the ultraviolet lamp group 321 and close the air inlet of the return duct 22; the second valve plate 251 is rotatably connected to the connection portion of the air exhaust duct 21 and the air outlet of the return duct 22, and is adapted to close the air exhaust duct 21 at the front end of the ultraviolet lamp unit 321 and open the air outlet of the return duct 22, or open the air exhaust duct 21 at the front end of the ultraviolet ray and close the air outlet of the return duct 22.
The first rotating motor 242 is used for providing driving force for the rotation of the first valve plate 241, the second rotating motor 252 is used for providing driving force for the rotation of the second valve plate 251, the first rotating motor 242 and the second rotating motor 252 are both connected with a control module in a signal manner, and the control module is suitable for controlling the operation of the first rotating motor 242 and the second rotating motor 252 according to the induction signal of the humidity sensor 23 so as to control the opening and closing of the exhaust pipeline 21 and the return pipeline 22 of the first valve plate 241 and the second valve plate 251.
Further, referring to fig. 6, the sterilization device 2 further includes an infrared lamp set 322 disposed in the return pipe 22 for drying the return air at a high temperature, the infrared lamp set 322 is located between the first valve plate 241 and the second valve plate 251, the air sterilized by the ultraviolet lamp with high humidity can enter the return pipe 22 from the first valve plate 241, and the infrared lamp set 322 is further irradiated at a high temperature to deactivate part of germs in the air; and the infrared lamp group 322 is also connected with the control module signal, the control module can control the starting of the first rotating motor 242, the infrared lamp group 322 and the second rotating motor 252 in sequence according to the sensing signal of the humidity sensor 23, so that the air with higher humidity is subjected to the drying sterilization of the infrared lamp again through the backflow pipeline 22, enters the exhaust pipeline 21 again after the sterilization of the infrared lamp group 322, is subjected to the secondary sterilization through the ultraviolet lamp group 321, and is discharged from the exhaust pipeline 21 when the air in the exhaust pipeline 21 is drier, so that less active germs are carried in the air reaching the outside.
The implementation principle of the ventilation system for the medical building is as follows: after fresh air enters a medical building, a control module controls a controller 315 and a water control valve 313 in a disinfectant spraying device 31 to extract liquid in a water tank 311 containing diluted disinfectant according to the sensing information of a face recognition camera 41 and a human sensor 42, sprays diluted disinfectant spray, controls a driving motor 1231 in a white air device to drive an air swinging plate 121 to move, swings and conveys the fresh air and the disinfectant spray, and trades air for killing the region with concentrated human flow in the medical building; after ventilation and sterilization, controlling an exhaust fan 211, an ultraviolet lamp group 321, a humidity sensor 23, an infrared lamp group 322, a first backflow valve 24 and a second backflow valve 25 in the exhaust module 2 to operate, exhausting polluted air in a medical building, performing ultraviolet sterilization and infrared sterilization on the polluted air, and further sterilizing the air exhausted in the medical building by matching with disinfectant spraying, so that the activity of germs in the exhausted air is effectively reduced, and the air exhausted in the medical building is prevented from containing more active germs; the ventilation system in the application can better disinfect the air at the intensive place of the patient in the hospital building group and replace the polluted air, introduce cleaner fresh air, effectively ensure the ventilation environment of the patient in the hospital, reduce the concentration of pollutants such as germs in the air discharged from the hospital building group, and better maintain public health.
The foregoing are all preferred embodiments of the present application, and are not intended to limit the scope of the present application in any way, therefore: all equivalent changes in structure, shape and principle of this application should be covered in the protection scope of this application.
Claims (5)
1. The utility model provides a ventilation system for medical building, includes air inlet module (1), exhaust module (2) and control module, air inlet module (1) include air handling unit and air inlet pipeline (11) that are connected with air handling unit, exhaust module (2) are including clarification plant and exhaust pipeline (21) that are connected with clarification plant, control module is used for carrying out system control to electrical components in the ventilation system, its characterized in that: the sterilizing device comprises a control module, a sterilizing module (3) and a monitoring module (4), wherein the sterilizing module (3) comprises a sterilizing liquid spraying device (31) arranged at an air outlet of an air inlet pipeline (11) and a sterilizing device (32) arranged in an air exhaust pipeline (21), and the sterilizing liquid spraying device (31) and the sterilizing device (32) are connected with the control module; the monitoring module (4) comprises a face recognition camera (41) and a human sensor (42) which are connected with the control module, wherein the face recognition camera (41) is arranged in a corridor of a hospital and is used for recognizing and recording the number of people going to and coming from the corridor of the hospital and counting the stop flow of people at each position of the corridor and the corridor, and the human sensor (42) is arranged at an air outlet of the air inlet pipeline (11) and is used for sensing whether people exist in the corridor or the corridor at the air outlet of the air inlet pipeline (11) and transmitting sensing signals to the control module; the control module is suitable for controlling the opening and closing of the disinfectant spraying device (31) according to the induction signal of the human sensor (42);
the disinfectant spraying device (31) comprises a water tank (311), a water outlet pipe (312), a water pump, a water control valve (313), an atomizing nozzle (314) and a controller (315), wherein the water outlet pipe (312) is communicated with the water tank (311) and the atomizing nozzle (314), the water pump is arranged in the water tank (311), the water control valve (313) is connected to the water outlet pipe (312), the atomizing nozzle (314) is positioned at an air outlet of an air inlet pipeline (11), the controller (315) is used for controlling the opening and closing of the water control valve (313), and the controller (315) is in signal connection with a control module;
the water tanks (311) are provided with two groups, the two groups of water tanks (311) respectively contain disinfectant and water, and the water control valve (313) is suitable for controlling the disinfectant or water to enter the water outlet pipe (312) and be sprayed out from the atomization nozzle (314);
the exhaust module (2) further comprises an exhaust fan (211), the exhaust fan (211) is arranged in the exhaust pipeline (21), and the exhaust fan (211) is positioned at the front end of the sterilization device (32); the sterilizing device (32) comprises a plurality of ultraviolet lamp groups (321) which are uniformly arranged in the exhaust pipeline (21) at intervals, and the ultraviolet lamp groups (321) are in signal connection with the control module;
the air inlet of the reflux pipeline (22) is connected to the rear end of the ultraviolet lamp group (321) in the exhaust pipeline (21), and the air outlet of the reflux pipeline (22) is connected to the front end of the ultraviolet lamp group (321) in the exhaust pipeline (21); a humidity sensor (23) and a first backflow valve (24) are arranged between the rear end of the ultraviolet lamp group (321) and the air inlet of the backflow pipeline (22) in the air exhaust pipeline (21), and the first backflow valve (24) is suitable for closing the air exhaust pipeline (21) at the rear end of the ultraviolet lamp group (321) and opening the air inlet of the backflow pipeline (22); a second backflow valve (25) is arranged between the front end of the ultraviolet lamp group (321) and the air outlet of the backflow pipeline (22) in the air exhaust pipeline (21), and the second backflow valve (25) is suitable for closing the air exhaust pipeline (21) at the front end of the ultraviolet lamp group (321) and opening the air outlet of the backflow pipeline (22); the humidity sensor (23), the first backflow valve (24) and the second backflow valve (25) are in signal connection with the control module, and the control module is suitable for controlling the first backflow valve (24) and the second backflow valve (25) to conduct diversion to air in the exhaust pipeline (21) according to the signals of the humidity sensor (23).
2. A ventilation system for medical buildings according to claim 1, characterized in that: the air inlet pipeline (11) is provided with an air outlet, the air outlet is provided with an air swinging device (12), the air swinging device (12) comprises a plurality of air swinging plates (121), a sliding plate (122) for installing the plurality of air swinging plates (121) and a driving piece (123) for driving the sliding plate (122) to move, and the plurality of air swinging plates (121) are mutually parallel and are distributed at the air outlet of the air inlet pipeline (11) at equal intervals; the sliding plate (122) comprises a fixed sliding rail (1221) and a movable sliding rail (1222) which are parallel, and a sliding strip (1223) which is rotationally connected to the fixed sliding rail (1221) and the movable sliding rail (1222), the fixed sliding rail (1221) is fixedly arranged on the inner wall of the air outlet of the air inlet pipeline (11), the movable sliding rail (1222) is slidingly connected on the inner wall of the air outlet of the air inlet pipeline (11), and the sliding direction of the movable sliding rail (1222) is parallel to the length extending direction of the fixed sliding rail (1221); the sliding strips (1223) are provided with a plurality of sliding strips (1223), the number of the plurality of sliding strips is consistent with that of the air swinging plates (121), the air swinging plates (121) are fixedly connected to the sliding strips (1223), the sliding strips (1223) are distributed on the fixed sliding rail (1221) and the movable sliding rail (1222) at equal intervals, and the sliding strips (1223) are intersected with the fixed sliding rail (1221) and the movable sliding rail (1222) at the same time; the driving piece (123) is connected to the end part of one sliding strip (1223), and the driving piece (123) is suitable for driving the sliding strip (1223) connected with the driving piece (123) to slide back and forth along the length direction of the fixed sliding rail (1221).
3. A ventilation system for medical buildings according to claim 2, characterized in that: the driving piece (123) comprises a driving motor (1231), a sector gear (1232), two linear racks (1233) and two groups of arc-shaped strips (1234), wherein the driving motor (1231) is fixedly arranged at an air outlet of an air inlet pipeline (11) and is connected with a control module through signals, the sector gear (1232) is connected to the output end of the driving motor (1231), the two linear racks (1233) are parallel to each other and are respectively positioned at two sides of the sector gear (1232), the two groups of arc-shaped strips (1234) are respectively connected to two ends of the linear racks (1233), and the linear racks (1233) and the arc-shaped strips (1234) form an elliptic track; a sliding bar (1223) suitable for being connected with the driving piece (123) is connected to a group of arc bars (1234) near the air outlet of the air inlet pipeline (11); when the sector gear (1232) rotates one circle, the sector gear (1232) is suitable for being meshed with the two linear racks (1233) in sequence and driving the linear racks (1233) to move along the length direction of the fixed sliding rail (1221).
4. A ventilation system for medical buildings according to claim 1, characterized in that: the first backflow valve (24) comprises a first valve plate (241) and a first rotating motor (242), and the second backflow valve (25) comprises a second valve plate (251) and a second rotating motor (252); the first valve plate (241) and the second valve plate (251) are both L-shaped plates, the first valve plate (241) is rotationally connected to the connection part of the air inlet of the air exhaust pipeline (21) and the air inlet of the backflow pipeline (22), the second valve plate (251) is rotationally connected to the connection part of the air exhaust pipeline (21) and the air outlet of the backflow pipeline (22), and the edges of the first valve plate (241) and the second valve plate (251) are both suitable for being attached to the inner walls of the air exhaust pipeline (21) and the backflow pipeline (22); the first rotating motor (242) is used for providing driving force for rotation of the first valve plate (241), the second rotating motor (252) is used for providing driving force for rotation of the second valve plate (251), and the first rotating motor (242) and the second rotating motor (252) are connected with a control module through signals.
5. A ventilation system for medical buildings according to claim 4, characterized in that: the sterilization device (32) further comprises an infrared lamp set (322) for drying the return air at a high temperature, the infrared lamp set (322) is installed in the return pipeline (22), the infrared lamp set (322) is located between the first valve plate (241) and the second valve plate (251), and the infrared lamp set (322) is also in signal connection with the control module.
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